CN106230605B - A kind of management system based on AUTOSAR In-vehicle networking - Google Patents
A kind of management system based on AUTOSAR In-vehicle networking Download PDFInfo
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- CN106230605B CN106230605B CN201610613584.9A CN201610613584A CN106230605B CN 106230605 B CN106230605 B CN 106230605B CN 201610613584 A CN201610613584 A CN 201610613584A CN 106230605 B CN106230605 B CN 106230605B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
Abstract
The present invention provides a kind of management systems based on AUTOSAR In-vehicle networking, belong to vehicle network technical field.Comprising: power module, the power module provides power supply for the AUTOSAR In-vehicle networking；Energy reserves control module, for the storage capacitor charging to the AUTOSAR In-vehicle networking；Voltage detection module, for carrying out voltage detecting to KL15；Detection module is switched, for detecting the switch state of KL15；CAN interface module, for connecting the AUTOSAR In-vehicle networking and CAN bus；Analog network status control module, for simulating the network state of the AUTOSAR In-vehicle networking；Wherein the analog network status control module enables the node Parallel of the node of KL15 and the AUTOSAR In-vehicle networking.The present invention is effectively guaranteed the reliability service of In-vehicle networking and maintains the consistency of platform.
Description
Technical field
The present invention relates to vehicle network technical fields, more particularly to a kind of management system based on AUTOSAR In-vehicle networking
System.
Background technique
Automobile open system framework (English: AUTomotive Open System Architecture, abbreviation:
It AUTOSAR) is to be combined to establish by Global Auto manufacturer, parts suppliers and other electronics, semiconductor and software systems company,
Each member keeps cooperation in development partnership.From 2003, each partner company was cooperated, and was dedicated to for auto industry exploitation
One open, standardized software architecture.This framework of AUTOSAR be conducive to the exchange of vehicle electronic system software with more
Newly, and for the more and more complicated vehicle electric of efficiently management, software systems a basis is provided.In addition, AUTOSAR is ensuring
While product and service quality, cost efficiency is improved.
Vehicle complete vehicle component is given there are many electric modes, and KL15 power supply, KL30 power supply, AUTOSAR network are commonly divided into
Management can not be suitable for the case where both the above power supply mode.AUTOSAR network management is highly suitable for by KL30 to electric mode
Component, the reliability service of In-vehicle networking can be effectively ensured in it；But for giving the component of electric mode by KL15, it appears be not very
It is applicable in.It is usually to allow KL30 to execute to the node of electricity according to AUTOSAR network management, and KL15 is to electricity than more conservative way
Node only requires basic communication level.Therefore have the following problems: 1) KL15 is to the node of electricity temporarily without being adapted
Network management constraint；2) KL15 gives the compatibility issue of synthetic operation between electric node to the node and KL30 of electricity.
Summary of the invention
It is KL15 to electricity it is an object of the present invention to provide a kind of management system based on AUTOSAR In-vehicle networking
Node provides adaptable network management constraint, and one at least solving the above problems.
Particularly, the present invention provides a kind of management system based on AUTOSAR In-vehicle networking, comprising:
Power module, the power module provide power supply for the AUTOSAR In-vehicle networking；
Energy reserves control module, for the storage capacitor charging to the AUTOSAR In-vehicle networking；
Voltage detection module, for carrying out voltage detecting to KL15；
Detection module is switched, for detecting the switch state of KL15；
CAN (Chinese: controller local area network, English name: Controller Area Network) interface mould
Block, for connecting the AUTOSAR In-vehicle networking and CAN bus；
Analog network status control module, for simulating the network state of the AUTOSAR In-vehicle networking；
Wherein the analog network status control module enables the node of KL15 and the AUTOSAR In-vehicle networking
Node Parallel.
Further, the energy reserves control module is electric with energy storage after current-limiting resistance R7 is in parallel with discharge diode D1
Hold EC1 series connection.
Further, the storage capacitor EC1 that the energy reserves control module uses is farad capacitor.
Further, the resistance value size of the current-limiting resistance R7 and the power of the power module are inversely proportional.
Further, the voltage detection module divides KL15 external input voltage by resistance R1 and resistance R3
Pressure, and the waveform of different frequency is filtered by capacitor C1 and capacitor C2.
Further, the switch detection circuit that the switch detection module is KL15, by R4 and R5 to defeated outside KL15
Enter voltage to be divided, and is filtered by C4；The threshold voltage of the switch detection module configuration switch is 5V.
Further, the CAN interface module is CAN interface circuit；The transceiver that the CAN interface module is selected is
TJA1040。
Further, the network state of analog network status control module simulation include: node in network,
Network mode and transition condition, migration movement and communication behavior under each network mode.
Further, the analog network status control module enters different according to the operating condition of node in a network
Network mode, the network mode include: sleep pattern, preparation sleep pattern, normal management mode；The normal management mode
Including repetition message state and normal operating condition.
It further, include first timer and second timer, the mould in the analog network status control module
Quasi- network state control module is according to the node control in the time and network of the first timer and second timer
Network state.
A kind of management system based on AUTOSAR In-vehicle networking provided by the invention, using distributed straight-forward network pipe
Reason, the variation of network state are by KL15, periodicity NMPDU (Chinese: Network Management Protocol data cell, English: NM
Protocol Data Unit, abbreviation NMPDU) receive situation and the state of node request network comprehensively considers, work as node
When receiving a NMPDU, it is meant that the sending node of the network management messages is intended to keep the wake-up states of network；Work as node
Stop sending NMPDU, it is meant that the node is prepared to enter into sleep state.But only in KL15OFF, which will be immediately
Into preparation sleep pattern (Prepare Bus Sleep Mode), and stop sending NMPDU, is prepared to enter into bus sleep shape
State.
A kind of management system based on AUTOSAR In-vehicle networking provided by the invention, is to AUTOSAR in In-vehicle networking
Managerial innovative usage, the management system based on AUTOSAR In-vehicle networking can be referred to as Mini in the present invention
AUTOSAR.Mini AUTOSAR sufficiently combines the characteristics of KL15 is to electrical nodes and AUTOSAR thought, and vehicle is effectively guaranteed
The reliability service of support grid network, also, using the network node of Mini AUTOSAR can it is compatible with the node of AUTOSAR is used simultaneously
Row, maintains the consistency of platform.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is a kind of management system theory structure frame based on AUTOSAR In-vehicle networking according to invention one embodiment
Figure；
Fig. 2 is a kind of voltage inspection of management system based on AUTOSAR In-vehicle networking according to an embodiment of the invention
Survey the circuit diagram of module；
Fig. 3 is a kind of switch inspection of management system based on AUTOSAR In-vehicle networking according to an embodiment of the invention
Survey the circuit diagram of module；
Fig. 4 is a kind of energy storage of management system based on AUTOSAR In-vehicle networking according to an embodiment of the invention
The circuit diagram of standby control module；
Fig. 5 is a kind of CAN interface of management system based on AUTOSAR In-vehicle networking according to an embodiment of the invention
The circuit diagram of module；
Fig. 6 is a kind of the network-like of management system based on AUTOSAR In-vehicle networking according to an embodiment of the invention
State transition graph；
Fig. 7 is a kind of management system Mini based on AUTOSAR In-vehicle networking according to an embodiment of the invention
The network state comparison diagram of AUTOSAR and AUTOSAR KL15OFF under normal operating conditions；
Fig. 8 is a kind of management system Mini based on AUTOSAR In-vehicle networking according to an embodiment of the invention
The network state comparison diagram of AUTOSAR and AUTOSAR KL15OFF under repetition message state；
Fig. 9 is a kind of management system Mini based on AUTOSAR In-vehicle networking according to an embodiment of the invention
Waking up nodes situation of the AUTOSAR and AUTOSAR under some scene；
Figure 10 is a kind of management system Mini based on AUTOSAR In-vehicle networking according to an embodiment of the invention
Waking up nodes situation of the AUTOSAR and AUTOSAR under some scene；
Figure 11 is a kind of management system Mini based on AUTOSAR In-vehicle networking according to an embodiment of the invention
Waking up nodes situation of the AUTOSAR and AUTOSAR under some scene；
Figure 12 is a kind of management system Mini based on AUTOSAR In-vehicle networking according to an embodiment of the invention
Waking up nodes situation of the AUTOSAR and AUTOSAR under some scene；
Figure 13 is a kind of management system Mini based on AUTOSAR In-vehicle networking according to an embodiment of the invention
Waking up nodes situation of the AUTOSAR and AUTOSAR under some scene.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and referring to attached
Figure, the present invention will be described in detail.
Fig. 1 is a kind of management system theory structure frame based on AUTOSAR In-vehicle networking according to invention one embodiment
Figure.As shown in Figure 1, a kind of management system based on AUTOSAR In-vehicle networking provided by the invention, described to be based on AUTOSAR vehicle
The management system 1 (and being known as Mini AUTOSAR system 1) of support grid network 10 includes power module 2, energy reserves control
Module 3, voltage detection module 4, switch detection module 5, CAN interface module 7 and analog network status control module 6.The electricity
Source module 2 is that the management system 1 provides power supply.Energy reserves control module 3 is used for the energy storage electricity of the management system 1
Capacity charge can provide necessary electric energy to management system 1 after KL15 (in figure shown in 9) closing.Voltage detection module 4 is used
In to KL15 (9) progress voltage detecting.Switch detection module 5 is used to detect the switch state of (9) KL15.CAN interface module 7 is used
In connection analog network status control module 6 and CAN bus 8.Analog network status control module 6 is described for simulating
The network state of AUTOSAR In-vehicle networking 10.Wherein the analog network status control module 6 enable the node of KL15 with
The node Parallel of the AUTOSAR In-vehicle networking 10.
Fig. 2 is a kind of voltage of management system based on AUTOSAR In-vehicle networking 10 according to an embodiment of the invention
The circuit diagram of detection module.As shown in Fig. 2, voltage detection module 4 is by resistance R1 and resistance R3 to KL15 external input voltage
It is divided, and the waveform of different frequency is filtered by capacitor C1 and capacitor C2.Resistance R2 plays current-limiting protection, electricity
Holding C3 should detect near pin in the AD of analog network status control module 6.
Fig. 3 is a kind of switch of management system based on AUTOSAR In-vehicle networking 10 according to an embodiment of the invention
The circuit diagram of detection module.As shown in figure 3, the switch detection circuit that switch detection module 5 is KL15, passes through resistance R4 and resistance
R5 divides KL15 external input voltage, and is filtered by capacitor C4, and the threshold voltage of configuration switch is 5V.It opens
Closing detection module 5 has rapid reaction, can quickly provide the characteristics of KL15 powers on the signal with lower electricity.It can be true by this signal
The switch of KL15 is determined, while about system ignition signal in combining CAN message, in the area Zhi Lai of cooperation voltage detection module 4
The disturbance of other Mini AUTOSAR system 1 is or the normally clutter due to caused by harness or relay due to caused by igniting.
Fig. 4 is a kind of energy of management system based on AUTOSAR In-vehicle networking 10 according to an embodiment of the invention
Lay in the circuit diagram of control module.As shown in figure 4, energy reserves control module 3 is capacitor charging circuit.The energy reserves control
Molding block 3 is connected after being current-limiting resistance R7 in parallel with discharge diode D1 with storage capacitor EC1.To guarantee quickly adequately to fill
Electricity, used storage capacitor EC1 are farad capacitor, can be charged after boosting.Resistance R7 is current-limiting resistance, its size
Depend primarily on the power of power-supply system；The resistance value size of the current-limiting resistance R7 and the power of the power module are at anti-
Than.For example, if the power of power-supply system is bigger, current-limiting resistance can take it is a little bit smaller, if power is smaller,
So resistance takes larger, while noting also the power of resistance.
Fig. 5 is that a kind of CAN of management system based on AUTOSAR In-vehicle networking 10 according to an embodiment of the invention connects
The circuit diagram of mouth mold block.As shown in figure 5, CAN interface module 7 can be CAN interface circuit, CAN transceiver can be selected
TJA1040, it has the standby mode of extremely low power dissipation, and wakes up ability by bus.When TJA1040 power-off, bus is anti-
It is zero to electric current, in this way, network other parts will not be impacted by being not switched on the node of power supply, actually they are this moment
It is sightless.This characteristic makes TJA1040 be highly suitable for the node that the power supply in localized network is connected with ignition switch.
The power module 2, energy reserves control module 3, voltage detection module 4, switch detection module 5, CAN interface
Module 7 and analog network status control module 6 meet the common hardware design of 1 network management of Mini AUTOSAR system jointly.
In a specific embodiment, analog network status control module 6 can be using STM32's
STM32F103VC chip, it uses the RISC core of high performance ARM Cortex-M3, working frequency 72MHz, built-in height
Fast memory (the up to SRAM of the flash memory of 128K byte and 20K byte), enhanced peripheral hardware abundant and the port I/O are connected to two
APB bus.The ADC and 3 general 16 bit timing device and a PWM that the device of all models all includes 2 12 are periodically
Device also includes standard and advanced communication interface: 2 I2C, 2 SPI, 3 USART, USB and CAN.
Fig. 6 is a kind of network of management system based on AUTOSAR In-vehicle networking 10 according to an embodiment of the invention
State transition diagram.As shown in fig. 6, operating condition of 1 network management of Mini AUTOSAR system according to node on network, will save
Point state demarcation be sleep pattern (Bus Sleep Mode), preparation sleep pattern (Prepare Bus Sleep Mode) and
Normal management mode (NETWORK Mode), while normal management mode includes repetition message state (Repeat Message again
State), normal operating condition (Normal Operation State) totally 2 sub- states.
The transition condition of network mode is shown in Table 1 in Fig. 6,
1 network mode transition condition of table
The migration movement of network mode is shown in Table 2 in Fig. 6,
2 network mode migration of table movement
Communication behavior in Fig. 6 under various network modes is shown in Table 3,
Communication behavior of the table 3 under various network modes
Referring to table 1 to table 3 and Fig. 6, the network state that the analog network status control module 6 is simulated includes: net
Node, network mode in network and the transition condition under each network mode, migration movement and communication behavior.The analog network
Status control module 6 enters different network modes according to the operating condition of node in a network, and the network mode includes: to sleep
Sleep mode, preparation sleep pattern, normal management mode；The normal management mode includes repetition message state and normal operation shape
State.It include first timer and second timer, the analog network state control in the analog network status control module 6
The network state according to the node control in the time and network of the first timer and second timer of module 6.
Sleep pattern is that all nodes in network stop network communication, into the state and network pipe of battery saving mode
It manages and defaults the state entered after function starts, in 1 network management of Mini AUTOSAR system, sleep pattern be can consider
It is the state that the electric energy of controller internal capacitance storage will discharge completely, while it is also assumed that is power supply opening (POWER
ON the capacitor charging state after).
Preparation sleep pattern is that all nodes in network agree to sleep, into preparation sleep state.This is that node enters
A transient state before sleep state.In 1 network management of Mini AUTOSAR system, under preparation sleep pattern,
Node relies primarily on the electric energy operation of controller internal capacitance storage, and controller preparation sleep is quasi- to enter sleep pattern progress
It is standby.
Normal management mode is a kind of state that node in network carries out normal network management communications, which wraps again
State containing repetition message, normal operating condition totally 2 sub- states.When KL15 opens (ON), repetition message state be node from
Sleep pattern, the default conditions into after normal management mode.Node can stay for some time in this state, and the time is used
Parameter T_REPEAT_MESSAGE is indicated.In this state, node will be according to drop total inorganic nitrogen (Bus Load
Reduction mode) sends network management messages, in order to other nodes in network be facilitated to find the node.?
After T_REPEAT_MESSAGE time-out, node just leaves repetition message state, into normal operating condition.In normal operating condition
Under, node will periodically send network management message, other nodes to guarantee in network can stay awake for.
In 1 network management of Mini AUTOSAR system, node has used two timers altogether in network state, and first
Timer (REPEAT_MESSAGE Timer) and second timer (NM_TIMEROUT Timer).Using second timer
Network state in, when node receives network management messages or is successfully transmitted network management messages, this will be restarted
Timer then saves if second timer time-out does not receive any message under repetition message state and normal operating condition
Point restarts the timer.The second timer time-out only under preparation sleep pattern, node can just be synchronized into sleep mould
Formula, if KL15ON during waiting second timer overtime, node will enter normal operating condition, can pass through calling
Relevant interface function starting CAN network management enters repetition message state, or rests on normal operating condition.When node into
After entering sleep pattern, if KL15ON, the situation to power on is undergone power up mode (POR), sleep pattern by node, into weight
Multiple message status.
First timer is mainly used for repetition message state, works as KL15ON, first timer time-out, node just can same stepping
Enter normal operating condition；If, when KL15 closes (OFF), node will at once during waiting first timer overtime
Stop timing, and is directly entered prepared sleep pattern.
In a kind of management system based on AUTOSAR In-vehicle networking 10 of the invention, also by Mini AUTOSAR system 1 with
The network management of AUTOSAR In-vehicle networking 10 has carried out Design of Compatibility.The Design of Compatibility includes Mini AUTOSAR system
The sleep design of system 1.
Fig. 7 is a kind of management system Mini based on AUTOSAR In-vehicle networking 10 according to an embodiment of the invention
The network state comparison diagram of AUTOSAR system 1 and AUTOSAR In-vehicle networking 10 KL15OFF under normal operating conditions.Fig. 8 is
A kind of management system Mini AUTOSAR system 1 based on AUTOSAR In-vehicle networking according to an embodiment of the invention with
The network state comparison diagram of the KL15OFF under repetition message state of AUTOSAR In-vehicle networking 10.As shown in Figure 7 and Figure 8, one
It is respectively the node of AUTOSAR In-vehicle networking 10 and Mini AUTOSAR system 1 in single-piece in a specific embodiment
When, the network state migration situation after KL15OFF occurs under normal operating condition and repetition message state respectively.In Mini
In 1 network management of AUTOSAR system, after KL15OFF can fast transferring to when preparing sleep pattern, node is in this case etc.
Wait enter sleep state.Due to KL15OFF, node maintains prepared sleep pattern by the electric energy of selfcapacity storage, maintains
Time is indicated with parameter T_NM_TIMEROUT.The time is equal to 10 single node of AUTOSAR In-vehicle networking and is being ready for sleeping
Holding time when state；To ensure that all nodes stop their network communication, achieve the purpose that synchronous suspend mode.Mini
In 1 network management of AUTOSAR system, under preparation sleep pattern, node is without communication requirement in principle, for network pipe
Managing frame (NM Frame) can not have to receive and send, but need to the reception of application framework (App Frame) message
Guarantee, and will decide whether sending application program frame (App Frame) according to specific function.
Since KL15 is to a particularity of electrical nodes: due to wake-up and the reason of maintaining wake-up states, being only based on
The local of KL15 wakes up.Therefore in 1 network management of Mini AUTOSAR system, need in view of 1 section of Mini AUTOSAR system
Point cooperates with the compatibility issue waken up with 10 management node of AUTOSAR In-vehicle networking.It is specific at of the invention one
It, can be with using the node of Mini AUTOSAR system 1 when the local wake source only based on KL15 in embodiment
10 management node synchronized wake-up of AUTOSAR In-vehicle networking；When there is also other of diversification wake source, using Mini
The node of AUTOSAR system 1 can not influence under the network management behavior for meeting itself using AUTOSAR In-vehicle networking 10
The network management behavior of management node.
Specifically, Fig. 9 is a kind of management system based on AUTOSAR In-vehicle networking according to an embodiment of the invention
Mini AUTOSAR system 1 and waking up nodes situation of the AUTOSAR In-vehicle networking 10 under some scene.As shown in figure 9,
The node of Mini AUTOSAR system 1 and 10 network of AUTOSAR In-vehicle networking enters sleep state after powered up, opens in KL15
Posterior nodal point synchronized wake-up sequentially enters repetition message state and normal operating condition, when shelves close KL15, Mini AUTOSAR system
System 1 is synchronous with 10 management node of AUTOSAR In-vehicle networking to enter preparation sleep state and sleep state, Mini
It is shorter that the management node of AUTOSAR system 1 enters the prepared sleep state time.And it is in Mini AUTOSAR system 1
After sleep state, AUTOSAR In-vehicle networking 10 reopen KL15 when being in preparation sleep state, Mini AUTOSAR system 1
It is operated normally later with the equal synchronized wake-up of 10 management node of AUTOSAR In-vehicle networking into repetition message state.
Figure 10 is a kind of management system Mini based on AUTOSAR In-vehicle networking 10 according to an embodiment of the invention
AUTOSAR system 1 and waking up nodes situation of the AUTOSAR In-vehicle networking 10 under some scene.As shown in Figure 10, in Mini
AUTOSAR system 1 and 10 management node of AUTOSAR In-vehicle networking reopen KL15 when being in prepared sleep state
Afterwards, Mini AUTOSAR system 1 and the equal synchronized wake-up of 10 management node of AUTOSAR In-vehicle networking, into normal work shape
State.
Figure 11 is a kind of management system Mini based on AUTOSAR In-vehicle networking 10 according to an embodiment of the invention
AUTOSAR system 1 and waking up nodes situation of the AUTOSAR In-vehicle networking 10 under some scene.As shown in figure 11, in Mini
The node of AUTOSAR system 1 and 10 network of AUTOSAR In-vehicle networking enters sleep state after powered up, opens deutomerite in KL15
Point synchronized wake-up closes KL15, Mini AUTOSAR system 1 and AUTOSAR In-vehicle networking 10 into repetition message state at this time
Management node sequentially enters prepared sleep state and sleep state.Preparation is in AUTOSAR management node again to sleep
After dormancy state, 1 management node of Mini AUTOSAR system open KL15 when being in sleep state, AUTOSAR In-vehicle networking
10 management nodes are directly waken up, and into normal operating conditions, and 1 management node of Mini AUTOSAR system is called out
It wakes up, sequentially enters repetition message state and normal operating conditions.
Figure 12 is a kind of management system Mini based on AUTOSAR In-vehicle networking 10 according to an embodiment of the invention
AUTOSAR system 1 and waking up nodes situation of the AUTOSAR In-vehicle networking 10 under some scene.As shown in figure 12, in Mini
The node of AUTOSAR system 1 and 10 network of AUTOSAR In-vehicle networking enters sleep state after powered up, opens deutomerite in KL15
Point synchronized wake-up closes KL15, Mini AUTOSAR system 1 and AUTOSAR In-vehicle networking 10 into repetition message state at this time
Management node sequentially enters prepared sleep state and sleep state.It is vehicle-mounted with AUTOSAR in Mini AUTOSAR system 1 again
10 management node of network opens KL15 when being in prepared sleep state, Mini AUTOSAR system 1 is vehicle-mounted with AUTOSAR
10 management node of network, which synchronizes, to be waken up, into normal operating conditions.
Figure 13 is a kind of management system Mini based on AUTOSAR In-vehicle networking 10 according to an embodiment of the invention
AUTOSAR system 1 and waking up nodes situation of the AUTOSAR In-vehicle networking 10 under some scene.As shown in figure 13, in Mini
The node of AUTOSAR system 1 and 10 network of AUTOSAR In-vehicle networking enters sleep state after powered up, opens deutomerite in KL15
Point synchronized wake-up closes KL15, Mini AUTOSAR system 1 and AUTOSAR In-vehicle networking 10 into repetition message state at this time
Management node sequentially enters prepared sleep state and sleep state.At 10 management node of AUTOSAR In-vehicle networking
KL15, Mini are opened when repetition message state, 1 management node of Mini AUTOSAR system are in preparation sleep state
10 management node of AUTOSAR system 1 and AUTOSAR In-vehicle networking is waken up, 10 network management of AUTOSAR In-vehicle networking
Node enters normal operating conditions, and 1 management node of Mini AUTOSAR system is then directly entered just by preparation sleep state
Normal working condition.
A kind of management system based on AUTOSAR In-vehicle networking provided by the invention, using distributed straight-forward network pipe
Reason, the variation of network state are comprehensively considered by the state for receiving situation and node request network of KL15, periodicity NMPDU
, when node receives a NMPDU, it is meant that the sending node of the network management messages is intended to keep the wake-up shape of network
State；When node stops sending NMPDU, it is meant that the node is prepared to enter into sleep state.But only in KL15OFF, the node
Prepared sleep pattern is gone immediately into, and stops sending NMPDU, is prepared to enter into bus sleep state.
A kind of management system based on AUTOSAR In-vehicle networking provided by the invention, is to AUTOSAR in In-vehicle networking
Managerial innovative usage, the management system based on AUTOSAR In-vehicle networking can be referred to as Mini in the present invention
AUTOSAR.Mini AUTOSAR sufficiently combines the characteristics of KL15 is to electrical nodes and AUTOSAR thought, and vehicle is effectively guaranteed
The reliability service of support grid network, also, using the network node of Mini AUTOSAR can it is compatible with the node of AUTOSAR is used simultaneously
Row, maintains the consistency of platform.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein is exemplary
Embodiment still without departing from the spirit and scope of the present invention, can still directly determine according to the present disclosure
Or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the invention should be understood and defined as
Cover all such other variations or modifications.
Claims (10)
1. a kind of management system based on AUTOSAR In-vehicle networking characterized by comprising
Power module, the power module provide power supply for the AUTOSAR In-vehicle networking；
Energy reserves control module, for the storage capacitor charging to the AUTOSAR In-vehicle networking；
Voltage detection module, for carrying out voltage detecting to KL15；
Detection module is switched, for detecting the switch state of KL15；
CAN interface module, for connecting the AUTOSAR In-vehicle networking and CAN bus；
Analog network status control module, for simulating the network state of the AUTOSAR In-vehicle networking；
Wherein the analog network status control module enables the node of the node of KL15 and the AUTOSAR In-vehicle networking
Parallel；
Wherein, the analog network status control module use distributed straight-forward network management, the variation of network state be by
KL15, periodicity NMPDU receive situation and the state of node request network comprehensively considers, when node receives one
When NMPDU, it is meant that the sending node of the network management messages is intended to keep the wake-up states of network；When node stops sending
NMPDU, it is meant that the node is prepared to enter into sleep state, and only in KL15 OFF, which can immediately enter prepared sleep
Mode, and stop sending NMPDU, it is prepared to enter into bus sleep state.
2. management system according to claim 1, which is characterized in that the energy reserves control module is current-limiting resistance R7
It connects after in parallel with discharge diode D1 with storage capacitor EC1.
3. management system according to claim 2, which is characterized in that the energy storage electricity that the energy reserves control module uses
Appearance EC1 is farad capacitor.
4. management system according to claim 2, which is characterized in that the resistance value size of the current-limiting resistance R7 with it is described
The power of power module is inversely proportional.
5. management system according to claim 1, which is characterized in that the voltage detection module passes through resistance R1 and resistance
R3 divides KL15 external input voltage, and is filtered by capacitor C1 and capacitor C2 to the waveform of different frequency.
6. management system according to claim 1, which is characterized in that the switch that the switch detection module is KL15 detects
Circuit divides KL15 external input voltage by R4 and R5, and is filtered by C4；The switch detection module is set
Surely the threshold voltage switched is 5V.
7. management system according to claim 1, which is characterized in that the CAN interface module is CAN interface circuit；Institute
The transceiver for stating CAN interface module selection is TJA1040.
8. management system according to claim 1, which is characterized in that the institute of the analog network status control module simulation
Stating network state includes: node in network, network mode and transition condition, migration movement and communication under each network mode
Behavior.
9. management system according to claim 8, which is characterized in that the analog network status control module is according to node
Operating condition in a network enters different network modes, the network mode include: sleep pattern, preparation sleep pattern,
Normal management mode；The normal management mode includes repetition message state and normal operating condition.
10. management system according to claim 8, which is characterized in that include in the analog network status control module
First timer and second timer, the analog network status control module is according to the first timer and second timer
Time and network in node control described in network state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112738160A (en) * | 2020-12-11 | 2021-04-30 | 武汉格罗夫氢能汽车有限公司 | AUTOSAR-based network management system and method for hydrogen energy automobile |
| CN114024864B (en) * | 2021-11-17 | 2023-02-03 | 中国科学院合肥物质科学研究院 | Dormancy anomaly detection method based on AUTOSAR network management |
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| CN103529821B (en) * | 2013-09-29 | 2016-05-11 | 重庆邮电大学 | A kind of configurableization method and device of the diagnosing protocol stack system based on CAN bus |
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